Fix ns-win.el (x-file-dialog) declaration

* lisp/term/ns-win.el (x-file-dialog): Give the function the same
signature here as other definitions.

diff --git a/lisp/term/ns-win.el b/lisp/term/ns-win.el
index e26191b33b41b71ecf6ae2aa4593208cf13fc751..56aca2bd83e48a3fc5aca27909e4f026152b58fe 100644 (file)
--- a/lisp/term/ns-win.el
+++ b/lisp/term/ns-win.el
@@ -439,7 +439,8 @@ Lines are highlighted according to `ns-input-line'."
 
 ;;;; File handling.
 
-(defun x-file-dialog (prompt dir default_filename mustmatch only_dir_p)
+(defun x-file-dialog (prompt dir &optional default_filename
+                             mustmatch only_dir_p)
   "SKIP: real doc in xfns.c."
   (ns-read-file-name prompt dir mustmatch default_filename only_dir_p))